The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 18, 2020
Filed:
Aug. 23, 2018
Murata Manufacturing Co., Ltd., Kyoto, JP;
Masami Okada, Fukushima, JP;
Atsushi Minami, Fukushima, JP;
Murata Manufacturing Co., Ltd., Kyoto, JP;
Abstract
An electric power supply device including: a first interposed between an electric power system and a predetermined load; a power storage system having a secondary battery, a first charging and discharging unit interposed between the secondary battery and the electric power system, and a second charging and discharging unit interposed between the secondary battery and the predetermined load; and a controller configured to control the first switch, the first charging and discharging unit, and the second charging and discharging unit, in which when system abnormality occurs, the controller causes the switch to open to disconnect between the electric power system and the predetermined load, causes the first charging and discharging unit to perform reverse power flow for a prescribed time, and causes the second charging and discharging unit to supply electric power to the predetermined load.